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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 8 个月前

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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 8 个月前
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  • SatansMaggotyCumFart@lemmy.world
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    8 个月前

    They’re just sniffing that spice melange.

    • Boxscape@lemmy.sdf.org
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      8 个月前

      They’re just sniffing that spice melange.

      Rudolf Al-Gaib!

    • rockerface 🇺🇦@lemm.ee
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      8 个月前

      Source of Nokotan’s powers revealed. The spice must deer

    • Agent641@lemmy.world
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      8 个月前

      This is how they gain magic flight at Christmas time

  • officermike@lemmy.world
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    8 个月前

    This doesn’t make sense to me. The iris doesn’t collect light for vision. The pupil expands or contracts to vary the amount of light that reaches the retina. Iris color should have nothing to do with it.

    • Donut@leminal.space
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      8 个月前

      From the first source on the linked study, they describe it as the following:

      (…) This functions as a mirror providing the second opportunity for photon capture by reflecting light back through the retina, enhancing visual sensitivity.

      • officermike@lemmy.world
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        8 个月前

        Neat!

      • interdimensionalmeme@lemmy.ml
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        8 个月前

        But the iris is a mask, it blocks off axis light

    • fossilesque@mander.xyzOPM
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      8 个月前

      https://royalsocietypublishing.org/doi/10.1098/rspb.2022.1002

    • turnipjs@lemmy.ml
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      8 个月前

      https://www.biorxiv.org/content/10.1101/2024.01.17.576074v1.full.pdf

    • ceenote@lemmy.world
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      8 个月前

      Plus, no summer day is brighter than a clear winter day with snow on the ground.

      • Catoblepas@lemmy.blahaj.zone
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        8 个月前

        It is if you live in a part of the world that is dark for months at a time during the winter, like reindeer do.

      • Suru@mander.xyz
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        8 个月前

        Most reindeer live North of the Arctic Circle, where the sun does not rise above the horizon in winter months. I suspect most summer days are brighter than the few hours of twilight the reideer get in December.

      • TachyonTele@lemm.ee
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        8 个月前

        The pupil dilates, combined with more uv light seasonally, changes the structure of the iris and thus it’s color. (It reflects differently)

    • rhombus@sh.itjust.works
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      8 个月前

      A lighter iris color correlates with higher light sensitivity and better low light vision. The higher density of pigment in a darker iris blocks light better.

  • turnipjs@lemmy.ml
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    8 个月前

    https://www.biorxiv.org/content/10.1101/2024.01.17.576074v1.full.pdf

    TL;DR: Eyes with lighter color irises have better low light performance in at least some circumstances.

    • GeorgimusPrime@lemmy.world
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      8 个月前

      Did you just teal deer a reindeer article?

  • lemonmelon@lemmy.world
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    8 个月前

    But did you know
    That when it snows
    My eyes become violet
    And light that you shine
    Can be seen?

    • MrShankles@reddthat.com
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      8 个月前

      BAAABBAAAYYY! I compare you to a kiss from a deer on the rein

  • chicken@lemmy.dbzer0.com
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    8 个月前

    Wouldn’t this lead to snowblindness? It gets way brighter in the winter

    • lowleveldata@programming.dev
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      8 个月前

      They wear sunglasses when it’s too bright, duh

    • ninja@lemmy.world
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      8 个月前

      deleted by creator

  • Boxscape@lemmy.sdf.org
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    8 个月前

    Reindeer’s are golden in summer but turn deep blue in winter

    Gold and blue?
    My dude, those eyes are black and white. 😏

  • hsdkfr734r@feddit.nl
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    8 个月前

    Looks like brown and purple to me.

    Edit: TIL. It reminds me of the Moor frog, which turns blue… ish when horny.

    • Agent641@lemmy.world
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      8 个月前

      Same, bro

  • Akasazh@feddit.nl
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    8 个月前

    The shape of the iris changes drastically too

  • 10_0@lemmy.ml
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    8 个月前

    deleted by creator

  • Cadeillac@lemmy.world
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    8 个月前

    TIL my poop is gold

  • asudox@programming.dev
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    8 个月前

    Isn’t that more like dark violet?

  • affiliate@lemmy.world
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    8 个月前

    damn i wish my eyes did that

  • ZILtoid1991@lemmy.world
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    8 个月前

    Fucking Mary Sues…

  • Kallioapina@lemmy.dbzer0.com
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    8 个月前

    Blue? That colour is violet in my eyes.

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